Shure ULXD2/KSM9HS Handheld Transmitter with KSM9HSBK 100790436 has a built-in internal tank

has a built-in internal tank with a

flexibility and usability puts the Si Expression in a class of its own

Yorkville PS12S 12-Inch Powered Subwoofer

Min/max height 28" – 44

Power Draw: 2

Shure ULXD2/KSM9HS Handheld Transmitter with KSM9HSBK 100790436 has a built-in internal tankShure ULXD2 KSM9HS Handheld Transmitter with KSM9HSBK With an interchangeable KSM9HS microphone cartridge, the ULXD2 KSM9HS delivers uncompromising audio quality and RF performance, and AES 256 bit encryption for secure transmission. Works with ULX D; Wireless Systems Offers over 12 hours of continuous battery life with Shure rechargeable battery or 11 hours with alkaline battery Includes ULXD2 KSM9HS, 2 AA batteries, microphone clip, zipper bag, and